The Internet Engineering Task Force (IETF), which develops Internet protocols and architecture, completed the RFC for the ACME (Automatic Certificate Management Environment) protocol and published its associated specification under RFC 8555 id. The RFC received the status of the “Proposed Standard”, after which the work of giving the RFC the status of a draft standard (Draft Standard), which actually means the full stabilization of the protocol and taking into account all the comments made.
ACME protocol is used to organize the interaction between the certification center and the web server, for example, to automate the receipt and maintenance of certificates. Requests are transmitted in JSON format over HTTPS. The second version of the ACMEv2 protocol is standardized, providing support for masks in certificates, providing an improved authorization mechanism, supporting resource renaming operations and offering a new method for checking domain ownership TLS-SNI-02.